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This article is about a phase. You may be looking for the episode.
S1E11 Star emerges as a purple six arm fairy

Star going through mewberty.

Mewberty is a phase that Mewman teenage girls go through which is the equivalent of Earth's puberty. Star Butterfly goes through it in the episode of the same name.

Effects

The phase is initially triggered by the presence of people whom the afflicted girl is attracted to, which causes purple hearts to steadily appear all over their body until it is fully engulfed (in Star's case, this happened whenever she was around any boy from school). This causes the subject to undergo many changes, including change of skin color, growing six arms, heightened senses, large wings capable of flight, and an insatiable urge to cocoon others. Once mewberty is complete, the subject returns back to normal, albeit with a set of tiny, vestigial wings.

At the end of Star vs. the Forces of Evil: The Battle for Mewni, Star gains a new mewberty form with six arms, an orange and gold dress and boots, longer horns on her headband, and large, golden butterfly wings. Following the events of "Deep Dive", she can control this form at will.

In Star and Marco's Guide to Mastering Every Dimension, Star describes the phase as "suddenly looking at boys as if they were made of bacon, like you've never eaten it in your life, and all you want to eat is bacon."

In at least Star and Queen Butterfly's cases, a person can morph in and out of their mewberty forms once they reach full maturity. This is referred to in Star vs. the Forces of Evil: The Magic Book of Spells as their "Ultimate Magic Form" or "Butterfly".

Mewberty allows the user to fly, open portals without dimensional scissors and cast spells without a wand, although Star claims it to be more tiring without one.

Phenomena

  • Mewberty Wings: Appear during the initial mewberty breakout and gradually grow throughout a person's life.
  • Omatidia Eyes: Star-shaped pupils that allow a person going through mewberty to perceive multiple dimensions at once. Can also read any language.
  • Density Shifts: Shifts in a person's density that cause them to become lighter in weight, depending on their emotions.
  • Hexapoda Arms: Additional arms that sprout out of a person's sides.
  • Glottalimous Voice: A change in a person's voice that starts as a raspy growl but gradually develops into a multidimensional voice, sounding like several voices overlapping.

Gallery

Trivia